Numerical analysis of the dynamics of a cosmic string loop as a vortex

Jun'ichi Yokoyama; Michiyasu Nagasawa

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Numerical analysis of the dynamics of a cosmic string loop as a vortex

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arxiv astro-ph/9404041 v2 pith:7S7U5LIV submitted 1994-04-20 astro-ph

Michiyasu Nagasawa , Jun'ichi Yokoyama This is my paper

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Time evolution of a circular cosmic string loop is investigated by numerically solving the field equations for the scalar and the gauge fields consisting of the vortex. It is shown that the result agrees with an analytic estimate based on the Nambu-Goto action, which supports its validity in analyzing nonstraight and rapidly moving strings.

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